I am using this class to return content-range value in the header, but when
my client receives the response the headers are always empty and do not
include the content-range
class ContentRangeHeaderPagination(pagination.PageNumberPagination):
"""
A custom Pagination class to include Content-Range header in the
response.
"""
def get_paginated_response(self, data):
"""
Override this method to include Content-Range header in the
response.
For eg.:
Sample Content-Range header value received in the response for
items 11-20 out of total 50:
Content-Range: items 10-19/50
"""
total_items = self.page.paginator.count # total no of items in
queryset
item_starting_index = self.page.start_index() - 1 # In a page,
indexing starts from 1
item_ending_index = self.page.end_index() - 1
content_range = 'items {0}-{1}/{2}'.format(item_starting_index,
item_ending_index, total_items)
headers = {'content-range': content_range }
return Response(OrderedDict([
('items', data)
]), headers=headers)
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